Adjacent Words

Au definitions

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WordNet (r) 3.0 (2005)

n
1: a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia [syn: gold, Au, atomic number 79]
2: a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers) [syn: Astronomical Unit, AU]

Merriam Webster's

abbreviation 1. angstrom unit 2. astronomical unit

Merriam Webster's

I. abbreviation author II. symbol Etymology: Latin aurum gold

Oxford Reference Dictionary

abbr. 1 (also au.) astronomical unit. 2 aringngström unit.

Oxford Reference Dictionary

symb. Chem. the element gold. Etymology: L aurum